<!DOCTYPE html>
<div style="position:relative; -webkit-columns:4; -webkit-column-gap:10px; width:630px; height:40px; column-fill:auto;">
    <div id="target" style="position:absolute; width:20px; height:20px; right:0; bottom:0; background:green;"></div>
</div>
<p>A green square should be seen above (if tested manually, you need to click first).</p>
